Modern Control Systems Twelve Edition
Mathematical Models of Physical Systems
• All the answers must be type-written.
• Wherever appropriate, illustrate your answer using a block diagram.
Question 1:
Briefly describe the following control system terms. Give an example of each.
(a) Open-loop control
(b) Closed-loop control
Question 2:
Using a block diagram, develop a control system to fill a container with water after it is emptied through a stopcock at the bottom. The system must automatically shut off the water when the container is filled. Explain the operation of the control system you developed.